A trichromatic diagnostic pattern in inverse pityriasis versicolor: clinical, dermoscopic, and Wood's lamp correlation.

Dear Editor, Pityriasis versicolor (PV) is a superficial mycosis caused by Malassezia species and most often affects the trunk and upper limbs. Flexural or inverse variants, however, may differ markedly from classical morphology due to the influence of moisture, temperature, and friction. These atypical presentations frequently mimic erythrasma, candidal intertrigo, tinea cruris, seborrheic dermatitis, and pigmentary disorders. [...].